/Engine/Source/Editor/EditorWidgets/Public/Filters/SFilterBar.h
Use this function to get all currently active filters (to filter your items) NOTE: Must be called every time the filters change (OnFilterChanged) to make sure you get the correct combined filter
virtual [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [TFilterCollection](API\Runtime\Core\Misc\TFilterCollection)< FilterType > > GetAllActiveFilters()